Originally Posted by
skirkp
If you look at the seabed map a few posts ago on this page (14), and measure 300 km from Alexandria, you find an arc that is on the smooth area south of the northeast-southwest ridges and well south of the rough terrain that is closer to Crete. I hope that will speed the recovery of clues to the wreck.
... in this ICAO chart you can see the red ellipse marks the last contact area of MSR804.
It seems the seabed is smoother and less deep than further north. Unfortunately you need oceanographic maps for some precise depth measurements...